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Open SourceTooling 20 Apr 2026 r/PromptEngineering

'No hedge words': negative constraints beat positive ones for tone control

The brief

Adding 'no hedge words' to a prompt strips uncertainty framing that RLHF-trained models lean on, forcing commitment to specific claims.

Key points

  1. One test dropped an AI-detector score from 0.91 to 0.18 on a rewritten cold email.
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